Adding or replacing memory modules
The computer has two memory module slots. They are located under the service access door on the
bottom of the computer. The memory capacity of the computer can be upgraded by adding a memory
module or replacing a memory module in one of the memory module slots.
WARNING! To reduce the risk of electric shock and damage to the equipment, unplug the power
cord before installing a memory module.
CAUTION: Electrostatic discharge (ESD) can damage electronic components. Before beginning
any procedure, ensure that you are discharged of static electricity by touching a grounded metal
object.
NOTE: To use a dual-channel configuration when adding a second memory module, be sure that
both memory modules are identical.
To add or replace a memory module:
CAUTION: To reduce the risk of information loss or an unresponsive system:
Shut down the computer before removing a memory module from the computer. Do not remove a
memory module while the computer is on, in the Sleep state, or in Hibernation.
If you are not sure whether the computer is off, in the Sleep state, or in Hibernation, press the power
button, and then shut down the computer through the operating system.
1. Save your work and shut down the computer.
2. Disconnect all external devices connected to the computer.
3. Remove external power from the computer.
4. Slide the release latch (1), and then remove the hard drive cover (2).
5. Remove the service access door.
a. Remove the 6 service access door screws (1).
44 Chapter 5 Maintenance
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